55858250664 has 48 divisors (see below), whose sum is σ = 151463239200. Its totient is φ = 18597204384.

The previous prime is 55858250627. The next prime is 55858250671. The reversal of 55858250664 is 46605285855.

It is a happy number.

55858250664 is a `hidden beast` number, since 5 + 5 + 8 + 582 + 50 + 6 + 6 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 55858250664.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 401934 + ... + 522749.

It is an arithmetic number, because the mean of its divisors is an integer number (3155484150).

Almost surely, 2^55858250664 is an apocalyptic number.

It is an amenable number.

55858250664 is an abundant number, since it is smaller than the sum of its proper divisors (95604988536).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55858250664 is a wasteful number, since it uses less digits than its factorization.

55858250664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 925534 (or 925527 counting only the distinct ones).

The product of its (nonzero) digits is 11520000, while the sum is 54.

The spelling of 55858250664 in words is "fifty-five billion, eight hundred fifty-eight million, two hundred fifty thousand, six hundred sixty-four".